asyncrat | 5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513

Resubmissions

13-01-2025 01:14

250113-bl45ga1mbq 10

12-01-2025 12:41

250112-pw91cssncz 10

11-01-2025 03:30

250111-d2y99s1qby 10

Analysis

max time kernel
145s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 03:30

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General

Target

5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
Size

912KB
MD5

fef7aab8bbb6e60534edc8db7aaff00a
SHA1

399d65a862501cdcd32983425efc1a99b85f953e
SHA256

5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513
SHA512

5b3395c131afd4c73d02b1c95397187fc78d62e393872b776d0edef8471041a91d424a17bfde311801b83eb56c0457aaaa9758d0112347d9bce2af1ff2bfaaa3
SSDEEP

12288:av8DWIoShwKj64KBRzeFKjQlGHIvGFJbnKy0FClmRk3yB:k86IoBCmBQFKjkGHIvGqXYykiB

Score

10^/10

asyncrat stormkitty default discovery persistence privilege_escalation rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6331768257:AAE1Rrc3F4A-nTJkfXEukNBriTate8i72L8/sendMessage?chat_id=5287158069

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 5 IoCs

resource	yara_rule
behavioral1/memory/1352-9-0x0000000000400000-0x0000000000432000-memory.dmp	family_stormkitty
behavioral1/memory/1352-13-0x0000000000400000-0x0000000000432000-memory.dmp	family_stormkitty
behavioral1/memory/1352-10-0x0000000000400000-0x0000000000432000-memory.dmp	family_stormkitty
behavioral1/memory/1352-18-0x0000000000400000-0x0000000000432000-memory.dmp	family_stormkitty
behavioral1/memory/1352-15-0x0000000000400000-0x0000000000432000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 8 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
File created	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
File opened for modification	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
File created	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
File opened for modification	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
File created	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
File opened for modification	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
File created	C:\Users\Admin\AppData\Local\fab5c14b9ba3507d34b861e522b7adaf\Admin@ZQABOPWE_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2260 set thread context of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
2084	cmd.exe
2188	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
Token: SeDebugPrivilege	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2664	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	30
PID 2260 wrote to memory of 2664	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	30
PID 2260 wrote to memory of 2664	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	30
PID 2260 wrote to memory of 2664	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	30
PID 2260 wrote to memory of 2540	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	31
PID 2260 wrote to memory of 2540	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	31
PID 2260 wrote to memory of 2540	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	31
PID 2260 wrote to memory of 2540	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	31
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 2260 wrote to memory of 1352	2260	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	32
PID 1352 wrote to memory of 2084	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	34
PID 1352 wrote to memory of 2084	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	34
PID 1352 wrote to memory of 2084	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	34
PID 1352 wrote to memory of 2084	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	34
PID 2084 wrote to memory of 2168	2084	cmd.exe	36
PID 2084 wrote to memory of 2168	2084	cmd.exe	36
PID 2084 wrote to memory of 2168	2084	cmd.exe	36
PID 2084 wrote to memory of 2168	2084	cmd.exe	36
PID 2084 wrote to memory of 2188	2084	cmd.exe	37
PID 2084 wrote to memory of 2188	2084	cmd.exe	37
PID 2084 wrote to memory of 2188	2084	cmd.exe	37
PID 2084 wrote to memory of 2188	2084	cmd.exe	37
PID 2084 wrote to memory of 2328	2084	cmd.exe	38
PID 2084 wrote to memory of 2328	2084	cmd.exe	38
PID 2084 wrote to memory of 2328	2084	cmd.exe	38
PID 2084 wrote to memory of 2328	2084	cmd.exe	38
PID 1352 wrote to memory of 1292	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	39
PID 1352 wrote to memory of 1292	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	39
PID 1352 wrote to memory of 1292	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	39
PID 1352 wrote to memory of 1292	1352	5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe	39
PID 1292 wrote to memory of 2332	1292	cmd.exe	41
PID 1292 wrote to memory of 2332	1292	cmd.exe	41
PID 1292 wrote to memory of 2332	1292	cmd.exe	41
PID 1292 wrote to memory of 2332	1292	cmd.exe	41
PID 1292 wrote to memory of 1928	1292	cmd.exe	42
PID 1292 wrote to memory of 1928	1292	cmd.exe	42
PID 1292 wrote to memory of 1928	1292	cmd.exe	42
PID 1292 wrote to memory of 1928	1292	cmd.exe	42

C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
"C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
  "C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe"
  2⤵
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
  "C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe"
  2⤵
  PID:2540
- C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
  "C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe"
  2⤵
  - Drops desktop.ini file(s)
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    - Suspicious use of WriteProcessMemory
    PID:2084
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:2168
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show profile
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Wi-Fi Discovery
      PID:2188
  - - C:\Windows\SysWOW64\findstr.exe
      findstr All
      4⤵
      System Location Discovery: System Language Discovery
      PID:2328
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1292
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:2332
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show networks mode=bssid
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\9810221d33fdc6c8d4eba8d3933542ce\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1352-15-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1352-21-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1352-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1352-101-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1352-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1352-95-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1352-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1352-8-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1352-9-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1352-13-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1352-92-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1352-20-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1352-18-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2260-4-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2260-0-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2260-5-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-2-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-3-0x00000000004F0000-0x000000000050E000-memory.dmp

Filesize
120KB

Download
memory/2260-6-0x00000000047B0000-0x0000000004826000-memory.dmp

Filesize
472KB

Download
memory/2260-1-0x0000000000200000-0x00000000002EA000-memory.dmp

Filesize
936KB

Download
memory/2260-19-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download